Opole/poland - May 02 2016: City Day in Opole, Poland. Female Riders in Long Black Riding Gowns Are Riding Horses, Couples of the Women Perform Formations. Women in Vintage Dress, Their Hairs Are Decorated With Flowers. Girl Looks Back. Cavalry, Female Horse Regiment Demonstrations, Riders Doing Show on Brown Horses, Riders on Green Field. Cloudy Spring Day, Outdoors.